Home / 34,663.11-47,835.12-18,747.54

Finding the Fourth Proportional to 34,663.11, 47,835.12 and 18,747.54

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Solution

The fourth proportional to 34,663.11, 47,835.12 and 18,747.54 is: 25,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,663.11 : 47,835.12 = 18,747.54 : x
  2. Step 2: Convert to fraction form
    34,663.11/47,835.12 = 18,747.54/x
  3. Step 3: Cross multiply
    34,663.11x = 47,835.12 × 18,747.54
  4. Step 4: Simplify right side
    34,663.11x = 896,790,825.60
  5. Step 5: Solve for x
    x = 896,790,825.60/34,663.11
  6. Step 6: Final answer
    x = 25,871.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.